Home / 1,603,569.75-2,212,926.65-878,443.25

Finding the Fourth Proportional to 1,603,569.75, 2,212,926.65 and 878,443.25

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Solution

The fourth proportional to 1,603,569.75, 2,212,926.65 and 878,443.25 is: 1,212,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,569.75 : 2,212,926.65 = 878,443.25 : x
  2. Step 2: Convert to fraction form
    1,603,569.75/2,212,926.65 = 878,443.25/x
  3. Step 3: Cross multiply
    1,603,569.75x = 2,212,926.65 × 878,443.25
  4. Step 4: Simplify right side
    1,603,569.75x = 1,943,930,462,980.76
  5. Step 5: Solve for x
    x = 1,943,930,462,980.76/1,603,569.75
  6. Step 6: Final answer
    x = 1,212,251.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.